Airtac SEJ Adjustable Cylinder SEJ40X125-100
2. Asymmetric bidirectional piston seal structure with compact dimensions and integrated oil reservoir function;
3. Rodless square aluminum tubing construction enhances corrosion resistance;
4. Adjustable cushioning mechanism ensures smooth stroke modulation;
5. Customizable configurations with multiple cylinder variants and mounting accessories;
6. High-temperature resistant sealing materials enable operational range of 0-150°C.
Category: Adjustable Cylinders | Brand: AirTAC | Series: SEJ
AirTAC SEJ Adjustable Cylinder SEJ40X125-100 Technical Details
- Model: SEJ40X125-100
- Bore size: 40mm
- Stroke: 125mm
- Adjustable stroke range: 0-100mm (mechanical stopper type)
- Operating pressure: 0.05-0.9 MPa
- Temperature range: -20℃ to 80℃
- Cushion type: Rubber buffer + adjustable shock absorber
- Mounting type: Basic series (accessory brackets optional)
- Port size: M5x0.8 (standard) or NPT1/8 (optional)
- Piston rod thread: M10x1.25
- Material: Aluminum alloy barrel, hardened chromium-plated rod
- Seal type: NBR seals (PU available for high-speed applications)
- Weight: 1.65kg (without accessories)
- Dimensions:
- Length (retracted): 215mm ±2mm
- Width (body): 53mm
- Height (mounting base): 63mm
High-precision adjustable stroke cylinder featuring dual-position mechanical stoppers with ±0.5mm repeatability. The chrome-plated piston rod incorporates a wear-resistant coating, while the anodized barrel resists corrosion. Includes built-in auto-switch slots (for magnetic sensors) and grease retention grooves for extended maintenance intervals.
- Precision workpiece positioning in CNC automation
- Variable height adjustment in assembly fixtures
- Packaging machine stopper mechanisms
- Semiconductor handling equipment
- Automotive welding jig positioning
Operation tip:
Lubricate adjustment screws monthly with ISO VG32 hydraulic oil.
For stroke adjustment: Loosen lock nut, rotate stopper (1 full turn = 1.25mm travel),
then re-tighten to 4.5-5.5 N·m torque. Avoid full extension beyond marked limits.
| Property | Property Value |
|---|---|
| sku | SEJ40X125-100 |
| Adjustable Stroke | 100mm |
| Seal Material | Polyurethane |
| Understood. Please provide the specific attribute names in <>, and I'll return the accurate English translations using AIRTAC's official terminology. Example: User input: <缸径> My output: Bore | Operating Temperature:-20-70°C Speed Range:30-800mm/s |
| Port Size | PT1/4 |
| Magnet | Non-magnetic |
| Bore Diameter | <40mm> |
| Stroke | 125mm |
Returns will be accepted for up to 15 days of Customer’s receipt or tracking number on Not used items. You, as a Customer, are obliged to inform us via email before you return the item, only in the case of:
- Received the wrong item.
- Item arrived not as expected (ie. damaged packaging).
- Item had defects.
- Over delivery time.
- The shipper does not allow the goods to be inspected before payment.
The returned product(s) must be in the original packaging, safety wrapped, undamaged and unworn. This means that the item(s) must be safely packed in a carton box for protection during transport, possibly the same carton used to ship to you as a customer.